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bcm2835_peripherals: add rollup device for bcm2835 peripherals

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This device maintains all the non-CPU peripherals on bcm2835 (Pi1)
which are also present on bcm2836 (Pi2). It also implements the
private address spaces used for DMA and mailboxes.

Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Andrew Baumann 2016-01-29 14:50:40 -08:00 • committed by Peter Maydell
parent e3ece3e34d
commit 7c62aeb82a
4 changed files with 375 additions and 0 deletions
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42
include/hw/arm/bcm2835_peripherals.h Normal file
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/*
* Raspberry Pi emulation (c) 2012 Gregory Estrade
* Upstreaming code cleanup [including bcm2835_*] (c) 2013 Jan Petrous
*
* Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
* Written by Andrew Baumann
*
* This code is licensed under the GNU GPLv2 and later.
*/
#ifndef BCM2835_PERIPHERALS_H
#define BCM2835_PERIPHERALS_H
#include "qemu-common.h"
#include "exec/address-spaces.h"
#include "hw/sysbus.h"
#include "hw/intc/bcm2835_ic.h"
#include "hw/misc/bcm2835_property.h"
#include "hw/misc/bcm2835_mbox.h"
#include "hw/sd/sdhci.h"
#define TYPE_BCM2835_PERIPHERALS "bcm2835-peripherals"
#define BCM2835_PERIPHERALS(obj) \
OBJECT_CHECK(BCM2835PeripheralState, (obj), TYPE_BCM2835_PERIPHERALS)
typedef struct BCM2835PeripheralState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
MemoryRegion peri_mr, peri_mr_alias, gpu_bus_mr, mbox_mr;
MemoryRegion ram_alias[4];
qemu_irq irq, fiq;
SysBusDevice *uart0;
BCM2835ICState ic;
BCM2835PropertyState property;
BCM2835MboxState mboxes;
SDHCIState sdhci;
} BCM2835PeripheralState;
#endif /* BCM2835_PERIPHERALS_H */